Patents by Inventor Benjamin Hagerup

Benjamin Hagerup has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7157006
    Abstract: A method for removing perchlorate or other anionic contaminates from ground water which comprises the step of passing the ground water over activated carbon, wherein the activated carbon has been either preloaded with an organic cation functional group or organic cation polymer or cationic monomer, or tailored with ammonium or other reduced nitrogen-containing compound.
    Type: Grant
    Filed: February 17, 2005
    Date of Patent: January 2, 2007
    Assignee: The Penn State Research Foundation
    Inventors: Fred S. Cannon, Robert B. Parette, Chongzheng Na, Weifang Chen, Benjamin Hagerup
  • Publication number: 20050167366
    Abstract: A method for removing perchlorate or other anionic contaminates from ground water which comprises the step of passing the ground water over activated carbon, wherein the activated carbon has been either preloaded with an organic cation functional group or organic cation polymer or cationic monomer, or tailored with ammonium or other reduced nitrogen-containing compound.
    Type: Application
    Filed: February 17, 2005
    Publication date: August 4, 2005
    Inventors: Fred Cannon, Robert Parette, Chongzheng Na, Weifang Chen, Benjamin Hagerup
  • Patent number: 6881348
    Abstract: A method for removing perchlorate or other anionic contaminates from ground water which comprises the step of passing the ground water over activated carbon, wherein the activated carbon has been either preloaded with an organic cation functional group or organic cation polymer or cationic monomer, or tailored with ammonium or other reduced nitrogen-containing compound.
    Type: Grant
    Filed: June 7, 2002
    Date of Patent: April 19, 2005
    Assignee: The Penn State Research Foundation
    Inventors: Fred S. Cannon, Robert B. Parette, Chongzheng Na, Weifang Chen, Benjamin Hagerup